Photos: A chilly tour of Antarctica

Five years after the financial crisis, tourists are returning to Antarctica’s icy wastes in droves. Take a look at the ultimate in adventure tourism.

In this Dec. 2, 2009 photo provided by Aurora Expeditions, an inflatable boat carries tourists past an iceberg along the Antarctic Peninsula. In a remote, frozen, almost pristine land where the only human residents are involved in research, tourism comes with risks, for both the continent and the tourists.